Home / 46,387.87-69,571.47-13,111.04

Finding the Fourth Proportional to 46,387.87, 69,571.47 and 13,111.04

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Solution

The fourth proportional to 46,387.87, 69,571.47 and 13,111.04 is: 19,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,387.87 : 69,571.47 = 13,111.04 : x
  2. Step 2: Convert to fraction form
    46,387.87/69,571.47 = 13,111.04/x
  3. Step 3: Cross multiply
    46,387.87x = 69,571.47 × 13,111.04
  4. Step 4: Simplify right side
    46,387.87x = 912,154,326.03
  5. Step 5: Solve for x
    x = 912,154,326.03/46,387.87
  6. Step 6: Final answer
    x = 19,663.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.